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revision 1.1551 by jmc, Fri Dec 16 22:57:31 2011 UTC revision 1.1572 by heimbach, Fri Jan 6 14:06:18 2012 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o optim: make Makefile more robust (?)
8    o pkg/obcs:
9      * fix treatment of obcs_read_pickup for TAF
10    o pkg/shelfice:
11      * add missing initialisation of num_shifwflx
12      * new adjoint verification exp. for isomip
13      * change Prandtl and Schmidt numbers from generic formulations
14        (in terms of model diffus. and visc.) to separate runtime
15        parameters, with Holland and Jenkins (1999) default values.
16    o pkg/exf (interpolation):
17      - extended input field (2 rows) near the N & S poles:
18        * fill in with the symetric value (when even Nb of data in longitude)
19        * add average value at the poles only for scalar quantities ; for vector
20          component interpolation, skip the averaging and keep duplicated values,
21          unless the 2 components have same location (uvInterp=T) in which case
22          interpolate the 2 components together using S/R EXF_INTERP_UV.
23      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
24        together: this allows to account properly for local orientation when
25        averaging at N & S pole.
26      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
27        exf-interpolation near N & S poles. Undef by default.
28      - add debug check/print on 1rst iter if debugLevel >=2.
29    o pkg/exf:
30      - change masking flags definition (no longer "parameter"), put them in
31        common block and set them in S/R EXF_INIT_FIXED.
32      - change recognized masking flag from s,u,v to c,w,s since the mask
33        to use (maskC,W,S) depends on position on model grid and has little to
34        do with scalar/vector difference; fix masking if using P-coordinates.
35      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
36        and update results of exp. global_with_exf (x2).
37      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
38    o pkg/obcs
39      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
40    o pkg/exf (interpolation):
41      - assume periodicity in X only if input field cover full longitude range.
42      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
43        and should vectorise).
44      - fix input lat of the 2 added row (in case we provide N.pole data).
45    
46    checkpoint63h (2011/12/30)
47    o pkg/seaice:
48      - change declaration of UVM from _RL to _RS in order to get B-grid
49        uIce,vIce monitor when _RS = real*4
50    o pkg/offline:
51      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
52      - compute vertical velocity if not read from file (switch on exactConserv
53        & staggerTimeStep);
54      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
55    o verification:
56      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
57        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
58        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
59      - update output of exp. global_ocean.cs32x15.viscA4 after changing
60        grid-file angles (used here for coriolis-3d);
61      - remove (or gzip) few files not needed to run fizhi-cs experiments.
62    o pkg/exf (vector interpolation):
63      - rotate vector component toward local grid-axis orientation using grid-angles
64        (stored in GRID.h) instead of locally computed rotation angle; keep old code
65        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
66    o pkg/seaice:
67      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
68        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
69    o pkg/PKG_OPTIONS.h files:
70      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
71        outside of the #ifdef ALLOW_THISPKG / #endif block.
72      - update verification/*/code/PKG_OPTIONS.h files.
73    o add a verification experiment (offline_exf_seaice/input.seaice) that test
74      the B-grid LSOR solver
75    o pkg/seaice: sort out emissivity and long wave radiation step 2:
76      - add emissivity for snow and ice as new run-time parameters
77        (unfortunately) that default to the corresponding exf values; this
78        changes results in most verification experiments so that for backward
79        compatibility these parameter have to be set explicitly to inconsistent
80        values (ugly);
81      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
82        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
83        until we agree how to handle this bug properly
84    o pkg/exf (interpolation):
85      - add a set of run-time param ({inputfield}_interpMethod), one for
86        each interpolated input field, to select the interpolation method
87        with a value of zero switching off the interpolation;
88      - print interpolation parameters to standard output;
89      - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined
90        (to use instead runoff_interpMethod=0 in data.exf).
91      - simplify default setting of interpolation parameters (for all fields,
92        set position to match model grid cell-center position, leading to trivial
93        interpolation in case of regular Lat-Lon grid) and fix for the case of
94        non-uniform delY.
95    o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
96       within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
97       this factor is absolutely required, because the lw exitance (= out-going
98       long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown,
99       where the reflectivity rho = 1-emissivity for conservation reasons. Once
100       this is established, we can remove the CPP-Flag (if we want to).
101    o pkg/seaice:
102      - qualify a stop statement in S/R seaice_check: EXF_READ_EVAP and
103        ALLOW_BULKFORMULAE are only required if SEAICE_EXTERNAL_FLUXES is defined
104      - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity
105        what the name implies (and not emissivity*BoltzmannConstant), this means
106        the old default value of 5.5e-8 now means
107        5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in
108        S/R exf_readparms
109      - FV-discretization of the B-grid LSOR solver, turn on with
110        SEAICE_LSRBNEW. This new solver also involves a slight re-organization
111        of the calling routine dynsolver, so that B and C-grid code look a
112        little more alike.
113      - fix index bugs in ostres.F (B-grid code)
114    o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better
115    o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the
116      default for SEAICE_emissivity, if useEXF; requires setting a wrong
117      parameter value in global_ocean.cs32x15/input.seaice/data.seaice for
118      backward compatiblity
119    o model/src: use sigmaR in calc_ivdc
120    
121  checkpoint63g (2011/12/16)  checkpoint63g (2011/12/16)
122  o pkg/seaice/seaice_growth.F:  o pkg/seaice/seaice_growth.F:
123    fix heat conservation of the coupled ocean-seaice system.    fix heat conservation of the coupled ocean-seaice system.
# Line 14  o pkg/seaice/seaice_growth.F: Line 128  o pkg/seaice/seaice_growth.F:
128  o pkg/seaice/seaice_model.F:  o pkg/seaice/seaice_model.F:
129    Remove this patholigical case treatment in evolution branch,    Remove this patholigical case treatment in evolution branch,
130    where it is un-necessary and breaks conservation.    where it is un-necessary and breaks conservation.
131    Update global_ocean.cs32x15/results accordingly for    Update global_ocean.cs32x15/results accordingly for
132    output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt    output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt
133  o model/src:  o model/src:
134    useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in    useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in
135    external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.    external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.
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